Solar Demon Dimming Detection (qlk)

Quick-look! running in real time on SDO/AIA 211 QLK data
3 minute cadence, typical delay 15 minutes
(detection version 1.00)
(view all Solar Demon detection tools)

Overview of dimming 15215
Detector 24h operating status:

Last processed image:    
   0 hours and 23 minutes ago (2026-04-16 13:33 UTC)
Last detected dimming:
   7 hours and 35 minutes ago (2026-04-16 06:21 UTC)


Overview for dimming #:
   15215           back to overview

Animations and graphs
   derotated original images ( non-derotated )
   dimming intensity
   dimming mask

   base difference ( percentage )
   running difference ( percentage )

more

more

more


Details for dimming #: 15215          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-08 15:09:112-0.10.0-71.50.02-1.0-71.5-0.96, 0.020.960.003692892
2026-03-08 15:12:113-3.8-35.1-64.90.662-1.5-72.2-0.96, 0.010.960.003692895
2026-03-08 15:15:114-15.1-88.4-92.31.9179-1.6-72.8-0.96, 0.010.9626.553692896
2026-03-08 15:18:115-19.0-101.1-92.02.2207-1.5-73.1-0.97, 0.010.973.413692899
2026-03-08 15:21:116-19.8-103.1-85.62.5243-1.7-73.1-0.97, 0.010.973.283692900
2026-03-08 15:24:117-21.9-99.6-17.84.1455-1.5-73.1-0.97, 0.010.976.703692903
2026-03-08 15:27:118-20.7-88.6-17.64.2486-1.5-73.0-0.97, 0.010.971.383692904
2026-03-08 15:30:119-15.0-58.2-15.53.7445-1.4-72.3-0.96, 0.010.960.003692907
2026-03-08 15:33:3510-16.2-50.3-13.25.5723-1.6-71.9-0.96, 0.010.960.003692908
2026-03-08 15:36:1111-18.7-43.4-13.17.0993-2.5-69.5-0.95, 0.000.950.003692911
2026-03-08 15:39:1112-18.7-37.0-14.07.31067-3.0-67.8-0.93, -0.010.930.003692912
2026-03-08 15:42:1113-19.9-33.4-13.77.91150-3.4-66.5-0.92, -0.010.920.003692917
2026-03-08 15:45:1114-19.0-27.9-13.97.51098-3.7-64.3-0.91, -0.010.910.003692918
2026-03-08 15:48:1115-20.3-31.9-13.78.21192-2.7-64.3-0.91, 0.010.910.003692919
2026-03-08 15:51:1116-20.3-27.0-14.68.01191-3.3-63.4-0.90, 0.000.900.003692920

The research leading to these results has received funding from the European Commission's Seventh Framework Programme (FP7/2007-2013) under the grant agreement nr. 263506 [AFFECTS], and grant agreement nr. 263252 [COMESEP]
Solar Demon is still under construction.
( Legal notices - SWSC (Volume 5, A18, 2015) research article:Solar Demon - an approach to detecting flares, dimmings, and EUV waves on SDO/AIA images )